花17美元买一张CD的机会成本，就是你用这17美元所能做的其他事情，或许还有你购物所花费的时间价值。
The opportunity cost of spending $17 on a CD is what you would havedone with the $17 instead, and perhaps the value of the time spentshopping.
坚持做下去，直到自己能从中领悟到真谛，幽默将会成为你身上言谈举止的一张名片，你也能在商务场合像商务人士一样游刃有余。
Keep this up and before you know it, you'll be adding humor to your speaking Arsenal and you'll become one of the outstanding presenters in your business.
那些过于怨恨的，也会成为笑脸，定格在一张大小为五寸的纸上。
Resentment that too will be smiling and set-piece in a size Wucun sheet of paper.
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